﻿using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

namespace Server.Functions
{
    public abstract class Singleton<T> where T:new()
    {
        private static T _instance;
        public static T GetInstance()
        {
            if (_instance == null)
            {
                _instance = new T();
            }
            return _instance;
        }
    }
}
